How much do you know about tempered glass used in door and window products?

[China Glass Net] Door and window glass, this is an indispensable part of the door and window. The earlier door and window glass is a single layer of glass, which has developed into the current insulating glass, laminated glass, bulletproof glass, etc. In the case of hollow glass, the hollow glass type is preferably tempered.

How to tell if the insulating glass is tempered?

The simpler and more direct method is to look at the eye and see if there is a tempered 3C mark in the lower corner of the glass. The 3c mark is basically tempered glass (of course, it is generally impossible to scrape). The processing procedure of tempered glass is first. The ordinary float glass is cut into the required size, and then edging, cleaning, and the national compulsory certification ccc mark (that is, ordinary ink), the glass after the tempering furnace is finished can not be cut or processed. The ink is baked after the high temperature, so the general situation is not scraped. The tempered glass will have quality defects due to the influence of equipment and process. The general way of distinguishing is to observe whether the glass surface is deformed or not. Breaking the glass to observe the granules of the debris, this method of identification is not applicable in the home decoration doors and windows. If you don't believe that this is tempered if you hit the 3C tempering mark, then you can use a hammer or a foot to smash it.

Tempered glass is processed by ordinary flat glass or float glass. Ordinary flat glass requires special products or first-class products; float glass requires superior or first-class products. There are two kinds of tempered glass production processes: one is to process ordinary flat glass or float glass under specific process conditions by quenching or air-cooling quenching. The other is to process ordinary flat glass or float glass by ion exchange method, and change the surface composition of the glass to form a laminated stress layer on the surface of the glass. Tempered glass has high impact strength (4 to 5 times higher than ordinary flat glass), high bending strength (5 times higher than ordinary flat glass), good thermal stability, smooth, transparent, and non-cuttable. In the case of super-strong impact damage, the fragments are scattered and fine particles, without sharp edges and corners, so it is also called safety glass.

Whether it is plastic steel doors and windows tempered glass or broken aluminum doors and windows, tempered glass can be seen in daily life. Generally, the bottom of high-rise residential doors and windows and floor-to-ceiling windows will be used more.

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